Question: Using Time Machine to backup two internal disks onto one external HD
I am using an early-2011 MBP and have the original 500gb HD to use for storage, and swapped out my optical drive for a 270gb HDD to run Mac OS and applications. It has worked swimmingly for the last few years, but I wanted to create a Time Machine backup disc to put in a safe place should something go wrong. I bought a 2TB Seagate Backup Plus Slim for Mac, and am having difficulty getting it to backup the 270gb disc in addition to the 500gb drive. Can someone help with how to do this correctly?
MacBook Pro (03/2011), Mac OS X (10.6.7)